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MCM_SETFIRSTDAYOFWEEK message

  • Artikkeli

Sets the first day of the week for a month calendar control. You can send this message explicitly or by using the MonthCal_SetFirstDayOfWeek macro.

Parameters

wParam

Must be zero.

lParam

Value of type int representing which day is to be set as the first day of the week, where 0 is Monday, 1 is Tuesday, and so on.

Return value

Returns a DWORD value that contains two values. The high word is a BOOL value that is nonzero if the previous first day of the week did not equal LOCALE_IFIRSTDAYOFWEEK, or zero otherwise. The low word is an INT value that represents the previous first day of the week.

Remarks

If the first day of the week is set to anything other than the default (LOCALE_IFIRSTDAYOFWEEK), the control will not automatically update first-day-of-the-week changes based on locale changes.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h